Solve the system of linear equations below. x + y = 4 2x + 3y = 0
x + y = 4 2x + 3y = 0 x = -y + 4 2(-y + 4) + 3y = 0 -2y + 8 + 3y = 0 y + 8 = 0 y = -8 x - 8 = 4 x = 4 + 8 x = 12 Solution set: (12, -8)
Question
Updated 12/16/2015 10:52:49 PM
Edited by Andrew. [12/16/2015 10:52:43 PM]
Rating
3
x + y = 4
2x + 3y = 0
x = -y + 4
2(-y + 4) + 3y = 0
-2y + 8 + 3y = 0
y + 8 = 0
y = -8
x - 8 = 4
x = 4 + 8
x = 12
Solution set: (12, -8)

Questions asked by the same visitor
Factor the expression below x3 - 27
Question
Updated 6/29/2014 11:57:45 AM
x^3 - 27 = (x - 3)(x^2 + 3x + 9)
Confirmed by yumdrea [6/29/2014 12:13:22 PM]
27,343,749
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